Whetstone, the symbol for uranium is U, which Chambers dictionary has as
U3 /ū/ (informal)
adjective
(of words, behaviour, etc) as used by or found among the upper classes, hence socially acceptable
2a. The symbol for uranium is U, which Chambers dictionary has as
U3 /ū/ (informal)
adjective
(of words, behaviour, etc) as used by or found among the upper classes, hence socially acceptable